Analysis and simulation on propagation characteristics in waveguide filled with single-negative medium layers

被引:1
|
作者
Xiang Yang [1 ]
Qian Zu-Ping [1 ]
Liu Xian [1 ]
Bao Jun-Song [1 ]
机构
[1] Univ Sci & Technol, Inst Commun & Elect, Nanjing 210007, Peoples R China
关键词
single-negative medium; propagation constant; cut off frequency; finite-difference time-domain method;
D O I
10.7498/aps.57.5537
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The propagation characteristics of rectangular waveguide filled with two layers of single-negative medium are analyzed in this paper. The Drude-FDTD model is adapted to the application in three-dimension simulation program. Simulation results show that a subwavelength transmission mode exists in the waveguide. Based on the simulation results for different frequency and different medium parameter, energy propagation rule in this kind of waveguide is obtained. Especialy, the band width of microwave devices and antennas can be significantly widened with ENG-MNG filling method.
引用
收藏
页码:5537 / 5541
页数:5
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